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To determine the effect of changing public health surveillance methods on the reported epidemiology of Lyme disease, we analyzed Connecticut data for 1996-2007. Data were stratified by 4 surveillance methods and compared. A total of 87,174 reports were received that included 79,896 potential cases. Variations based on surveillance methods were seen. Cases reported through physician-based surveillance were significantly more likely to be classified as confirmed; such case-patients were significantly more likely to have symptoms of erythema migrans only and to have illness onset during summer months. Case-patients reported through laboratory-based surveillance were significantly more likely to have late manifestations only and to be older. Use of multiple surveillance methods provided a more complete clinical and demographic description of cases but lacked efficiency. When interpreting data, changes in surveillance method must be considered.

White-tailed deer play an important role in the ecology of Lyme disease. In the United States, where the incidence and geographic range of Lyme disease continue to increase, reduction of white-tailed deer populations has been proposed as a means of p...

"Problem/Condition: Lyme disease is a multisystem disease that occurs in North America, Europe, and Asia. In the United States, the etiologic agent is Borrelia burgdorferi sensu stricto, a spirochete transmitted to humans by infected Ixodes scapulari...

Centers for Disease Control and Prevention (U.S.), Office of the Associate Director for Communication.. Centers for Disease Control and Prevention (U.S.), Centers for Disease Control and Prevention (U.S.)., Office of the Associate Director for Communication.. National Center for Emerging and Zoonotic Infectious Diseases (U.S.), Division of Vector-Borne Diseases., Epidemiology and Surveillance Activity..

Published:

May 19, 2011

Series:

Public health grand rounds ; 2011 May 19

Description:

The vast majority of US adults consume more than double the recommended maximum of sodium, which is a direct cause of hypertension, a condition that affects nearly 1 in 3 Americans. Hypertension is not only a major contributor to cardiovascular disea...

In the United States, the blacklegged tick, Ixodes scapularis, is a vector of seven human pathogens, including those causing Lyme disease, anaplasmosis, babesiosis, Borrelia miyamotoi disease, Powassan virus disease, and ehrlichiosis associated with ...

The nymphal stage of the blacklegged tick, Ixodes scapularis Say, is considered the primary vector to humans in the eastern United States of the Lyme disease spirochete Borrelia burgdorferi sensu stricto. The abundance of infected host-seeking nymphs...